42333543 has 32 divisors (see below), whose sum is σ = 73356800. Its totient is φ = 23623488.

The previous prime is 42333509. The next prime is 42333581. The reversal of 42333543 is 34533324.

It is a happy number.

It is not a de Polignac number, because 42333543 - 2⁸ = 42333287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42333583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5523 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (2292400).

Almost surely, 2^42333543 is an apocalyptic number.

42333543 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

42333543 is a deficient number, since it is larger than the sum of its proper divisors (31023257).

42333543 is a wasteful number, since it uses less digits than its factorization.

42333543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268 (or 5262 counting only the distinct ones).

The product of its digits is 12960, while the sum is 27.

The square root of 42333543 is about 6506.4232109509. The cubic root of 42333543 is about 348.5204015428.

Adding to 42333543 its reverse (34533324), we get a palindrome (76866867).

It can be divided in two parts, 4233 and 3543, that added together give a 5-th power (7776 = 6⁵).

The spelling of 42333543 in words is "forty-two million, three hundred thirty-three thousand, five hundred forty-three".